<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>扩展运算符应用</title>
</head>
<body>
    <div></div>
    <div></div>
    <div></div>
    <script>
        // 1.数组的合并
        const kuaizi = [`王太利`, `肖央`];
        const fenghuang = [`曾毅`, `玲花`];

        // const zuixuanxiaopingguo = kuaizi.concat(fenghuang)
        const zuixuanxiaopingguo = [...kuaizi, ...fenghuang]
        console.log(zuixuanxiaopingguo);

        // 2.数组的克隆
        const sanzhihua = [`E`, `G`, `M`];
        const sanyecao = [...sanzhihua];
        console.log(sanyecao);

        // 3.将伪数组转为真正的数组
        const divs = document.querySelectorAll(`div`);
        const divArr = [...divs];
        console.log(divArr);
    </script>
</body>
</html>